An Anion‐Exchange Membrane Fuel Cell Containing Only Abundant and Affordable Materials

Herein, a unique anion-exchange membrane fuel cell (AEMFC) containing only affordable and abundant materials is presented: NiFe hydrogen oxidation reaction (HOR) nitrogen-doped carbon oxygen reduction (ORR) electrocatalysts. AEMFCs are an attractive alternative to proton-exchange cells. They can run under alkaline conditions, allowing the use of platinum group metal (PGM)-free Yet, same conditions incur overpotential loss in ORR also slow HOR. This be solved by using PGM electrodes, but then original advantage disappears. In contrast, free both PGMs critical raw (CRMs). Electrochemical studies confirmed that catalysts highly active HOR electrolyte. The morphology, composition, chemical states electrocatalysts characterized different techniques, including scanning electron microscopy (SEM), transmission (TEM), X-ray photoelectron spectroscopy (XPS), diffraction (XRD), energy (EELS). Then, electrocatalysts’ performance tested device. gives maximum power density 56 mW cm−2 limiting current 220 mA cm−2. These results among best CRM-free cells reported date.